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CVE-2021-20329— Specific cstrings input may not be properly validated in the Go Driver

Quick assessment

Affected
MongoDB Inc. MongoDB Go Driver
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Mongodb Server是美国Mongodb公司的一套开源的NoSQL数据库。该数据库提供面向集合的存储、动态查询、数据复制及自动故障转移等功能。 MongoDB mongo-go-driver 中存在输入验证错误漏洞，该漏洞源于在go对象编码成Json时，驱动程序无法对输入数据进行完全的安全验证。攻击者可通过带有特定字符串的Go对象项编组的文档中注入额外的字段。以下产品及型号会受到影响：MongoDB mongo-go-driver 1.5.0 之前版本。

CVSS 6.8 · Medium EPSS 0.96% · P58

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-20329

Vulnerability Information
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Vulnerability Title
Specific cstrings input may not be properly validated in the Go Driver
Source: CVE Program / CVE List V5
Vulnerability Description
Specific cstrings input may not be properly validated in the MongoDB Go Driver when marshalling Go objects into BSON. A malicious user could use a Go object with specific string to potentially inject additional fields into marshalled documents. This issue affects all MongoDB GO Drivers prior to and including 1.5.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1287
Source: CVE Program / CVE List V5
Vulnerability Title
MongoDB 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mongodb Server是美国Mongodb公司的一套开源的NoSQL数据库。该数据库提供面向集合的存储、动态查询、数据复制及自动故障转移等功能。 MongoDB mongo-go-driver 中存在输入验证错误漏洞，该漏洞源于在go对象编码成Json时，驱动程序无法对输入数据进行完全的安全验证。攻击者可通过带有特定字符串的Go对象项编组的文档中注入额外的字段。以下产品及型号会受到影响：MongoDB mongo-go-driver 1.5.0 之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
MongoDB Inc. MongoDB Go Driver 1.0 ~ 1.5.0 -

II. Public POCs for CVE-2021-20329

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III. Intelligence Information for CVE-2021-20329

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Other References for CVE-2021-20329 (1)

IV. Related Vulnerabilities

Same product: MongoDB Go Driver
Same vendor: MongoDB Inc.
Same weakness: CWE-1287

V. Comments for CVE-2021-20329

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